Product Name: 12kv Indoor Hv Vacuum Circuit Breaker with Siemens 3af Operating Mechanism Model NO.: ZN68-12/630-25 Certification: VDE, ISO9001-2000, CE, UL, CB, CCC Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection) Type: Circuit Breaker Poles Number: 3 Structure: ACB Installation: Fixed Arc-extinguishing Medium: Vacuum Speed: High-Speed Circuit Breaker Operation: Electric Type Breaking Capacity: High Voltage Circuit Breakers Rated Voltage: 12kv Rated Current: 630/1250/1600/2000/2500/3150/4000A Trademark: Longxiang Electric Transport Package: Non-Solid Wooden Case for Export Shipment Specification: IEC: M2-E2-C2 Origin: China Baoji HS Code: 8538900000 Product Description 12kV Indoor HV Vacuum Circuit Breaker with Siemens 3AF Operating mechanism GeneralDescriptionZN68-12seriesofindoorhighvoltagevacuumcircuitbreakeristhreephaseA.C.50(60)Hzindoorhighvoltagedistribution,strongbreakingcapability,longlifewithcompleteoperatingfunctionsandconvenientmaintenance.Itissuitableforcontrollingandprotectingtransmissionanddistributionsystemsuchaspowergenerationplantandsubstation,especiallyusedinthefiledwhereitisfrequentlyoperated.Thiskindofvacuumcircuitbreakercanbeusedforfixedswitchgears(XGN2andGGIA),italsocanbeequipmentwithtruckusedforvariespanelslikeJYN2,KYN1andkny49aswellasusedforreconstructionforold-fashionedoilswitchgear.Structuralcharacteristics:1.TheoperatingmechanismisintroducedthetechniqueofoperatingmechanismfromSiemens3AFvacuumcircuitbreaker,theoperatingmechanismisintegratedwithvacuumcircuitbreaker,withcharacteristicsofshorttransmissionroutes,lesschainsandhightransmissionefficiency.2.Thisoperatingmechanismadoptsspringtype,itcanbeoperatedbyACorDC,alsocanbeoperatedbymanual.Applyingambientconditions1.Ambienttemperature:-15~+40ºC.2.Theheightabovesealevel:≤1000m(besidesthespecialrequirements).3.Relativehumidity:theaveragehumidityofadayshouldbenomorethan95%;theaveragehumidityofamonthshouldbenomorethan90%.4.Saturatedvaporpressure:theaveragepressureofadayshouldbenomorethan2.2kPa:the averagepressureofamonthshouldbenomorethan1.8kPa.5.Earthquakeintensity:notexceed8degrees.6.Itshouldbeinstalledintheplaceswithoutfire,explosion,seriousfilth,chemicalerosionandviolentvibration.Our FactoryPacking & Delivery